Non-declared dependency on config module

Problem/Motivation

When using the module without the config module from core installed the command fails with
[error] Error: Class "Drupal\config\StorageReplaceDataWrapper" not found in Drupal\config_import_single\Commands\ConfigImportSingleCommands->singleImport() (line 177

Steps to reproduce

Install the module on a minimal Drupal install

Proposed resolution

Add the dependency in the info.yml file

Remaining tasks

Code